{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbfdabe05236f7101f745d60b27fe7d282b7b4ef96cba204f94dc31214345d6f4",
    "signature": "0x60e7bda058ab56a24d126c58a48f722367f2f6f21a45762f217f3863c82c68d9061c789e76b509693344742cb776017dded358d3e5a9d7ddfd80f9731fd9cf841c",
    "signer": "0xdF501506A06A1F2e8d9d06942da7814B8e245C2E",
    "userId": "759997042"
  }
}